package cn.edu.besti.is.multicolorclock;

import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends AppCompatActivity {

    int counter = 0;
    int [] colors = {Color.BLACK, Color.BLUE, Color.CYAN,
                Color.DKGRAY, Color.GRAY, Color.GREEN, Color.LTGRAY,
                Color.MAGENTA, Color.RED, Color.WHITE, Color.YELLOW };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    public void changeColor(View view) {
        if (counter == colors.length) {
            counter = 0;
        }
        view.setBackgroundColor(colors[counter++]);
    }
}
